/usr/share/doc/libghc-diagrams-core-dev/README

The core modules underlying diagrams, a Haskell embedded
domain-specific language for compositional, declarative drawing. See
http://projects.haskell.org/diagrams/
for more information about the project, including installation
instructions, tutorials, a user manual, a gallery of example images,
and links to the mailing list, IRC channel, developer wiki and bug
tracker.